Presentations by William H. Vegazo Muro
| Title | Last modified |
| Audacity Edicion De Audio | Dec 14, 2012 |
| Historia De La Maca | Oct 17, 2012 |
| Ui S2 Tutorial | Jul 29, 2012 |
| Ui S1 Tutorial | Jul 29, 2012 |
| Economia Verde | Jun 14, 2012 |
| Radiaciã³N Ultravioleta Uv | Mar 22, 2012 |
| Peligros De Las Radiaciones Solares | Mar 21, 2012 |
| Objetivos Del Milenio | Mar 15, 2012 |